In which layer of the atmosphere do humans live and experience climate?

The country in the world with the largest population is_?

Name one type of data that h-r diagrams do not show.

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.